USPS CASS / DPV
Monthly · 6d agoU.S. Postal Service · Address · Federal
Overview
Coding Accuracy Support System and Delivery Point Validation. Standardizes mailing addresses and verifies deliverability.
Homepage: https://postalpro.usps.com/certifications/cass
Data format: API
Refresh cadence: Monthly
Status: Active
Onboarding traffic
1
Today
5
7d
18
30d
Cases that consulted this source
Governance
- Owner
- Derrick Moore
- Review cadence
- 12 months
- Next review due
- 9/26/2026
- Snapshot records
- 0
Documents (5)
- Published
USPS CASS / DPV — Procedure #01
Procedure · v2026-01-01 · effective 2/5/2025
- Published
USPS CASS / DPV — Guidance #02
Guidance · v2025-08-12 · effective 5/30/2025
- Retracted
USPS CASS / DPV — Procedure #03
Procedure · v2024-03-23 · effective 1/27/2026
- Published
USPS CASS / DPV — Guidance #04
Guidance · v2026-10-07 · effective 5/11/2026
- Published
USPS CASS / DPV — Procedure #05
Procedure · v2025-05-18 · effective 2/11/2025
Linked checks (17)
Risk factors
- Verified TN addressGeographic · weight -10
- Multiple suppliers at same addressNetwork · weight 22
Verification runs (15)
Used in 1 verification methods across 14 suppliers.